Category Archives: Acoustics

The Doppler Shift

Most of us have used the Doppler effect unconsciously to estimate the speed of a car that approached quickly from behind. The sound of the approaching car has a higher pitch than the sound as the car leaves you behind. Continue reading…

Posted in Acoustics, Experimentation, History of Science, Physics, Science Education, Tools | Leave a comment

The Helmholtz Resonance

Dr. Conrad R. Miziumski leads our students in musical acoustics (a required course for music majors) through this investigation of the Helmholtz resonator, a fancy name for the “jug” in jug-band music. Continue reading…

Posted in Acoustics, Experimentation, Measurement, Physics, Projects, Uncategorized | Leave a comment

Sound Velocity from Standing Wave Resonance

In this month’s experiment we create constructive interference using only a single source and a reflector. The reflected sound acts as though it came from a second source, much as the reflected light in a mirror acts as though it came from an object behind the mirror. Continue reading…

Posted in Acoustics, Energy, Experimentation, Instrumentation, Measurement, Physics, Projects | 2 Comments